Press-on shelf support system



FIG. 1 is a front, top and side perspective view of the press-on shelf support system embodying the design of the present invention, showing part of a typical truss system in dashed lines;

FIG. 2 is a side elevational view thereof, the side opposite being a mirror image of the side shown in FIG. 2;

FIG. 3 is a end elevational view thereof, the end opposite being a mirror image of the end shown;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken line showing of a truss system as shown in FIGS. 1, 3 and 4 is for illustrative purposes only and does not form any part of the claimed design. 

The ornamental design for a press-on shelf support system, as shown and described. 